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<?php function silnia($n) { return ($n <= 1) ? 1 : gmp_mul($n, silnia($n-1)); } $strSilnia = (string)silnia(60); var_dump($strSilnia);
Output for 5.6.8 - 5.6.20, 5.6.28, 7.0.0 - 7.0.5, 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.32, 8.0.0 - 8.0.12, 8.0.14 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(82) "8320987112741390144276341183223364380754172606361245952449277696409600000000000000"
Output for 7.0.6, 7.3.32 - 7.3.33, 7.4.33, 8.0.13
Fatal error: Uncaught Error: Call to undefined function gmp_mul() in /in/jMDlk:5 Stack trace: #0 /in/jMDlk(8): silnia(60) #1 {main} thrown in /in/jMDlk on line 5
Process exited with code 255.
Output for 5.5.35, 5.6.21
Fatal error: Call to undefined function gmp_mul() in /in/jMDlk on line 5
Process exited with code 255.
Output for 5.5.24 - 5.5.34
string(16) "Resource id #121"

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